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ovs: Turn vports with dependencies into separate modules

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The internal and netdev vport remain part of openvswitch.ko. Encap
vports including vxlan, gre, and geneve can be built as separate
modules and are loaded on demand. Modules can be unloaded after use.
Datapath ports keep a reference to the vport module during their
lifetime.

Allows to remove the error prone maintenance of the global list
vport_ops_list.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2014-10-22 17:29:06 +02:00 • committed by David S. Miller
parent cf7b200386
commit 62b9c8d037
11 changed files with 199 additions and 68 deletions
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14
net/openvswitch/vport-netdev.c
View file

@ -33,6 +33,8 @@
#include "vport-internal_dev.h"
#include "vport-netdev.h"
static struct vport_ops ovs_netdev_vport_ops;
/* Must be called with rcu_read_lock. */
static void netdev_port_receive(struct vport *vport, struct sk_buff *skb)
{
@ -224,10 +226,20 @@ struct vport *ovs_netdev_get_vport(struct net_device *dev)
return NULL;
}
const struct vport_ops ovs_netdev_vport_ops = {
static struct vport_ops ovs_netdev_vport_ops = {
.type = OVS_VPORT_TYPE_NETDEV,
.create = netdev_create,
.destroy = netdev_destroy,
.get_name = ovs_netdev_get_name,
.send = netdev_send,
};
int __init ovs_netdev_init(void)
{
return ovs_vport_ops_register(&ovs_netdev_vport_ops);
}
void ovs_netdev_exit(void)
{
ovs_vport_ops_unregister(&ovs_netdev_vport_ops);
}